Patent application number | Description | Published |
20080285987 | Electrophotographic Device Utilizing Multiple Laser Sources - An electrophotographic device has first and second laser sources, each controllable to emit a laser beam, a scanning device arranged to direct the beams so as to sweep in a scan direction across a photoconductive surface and a controller configured to control the electrophotographic device. In at least one print mode, the electrophotographic device is controlled such that scan lines written by the first laser beam overlap with scan, lines written by the second laser beam, and a laser power of the first and second laser sources are controlled such that image data corresponding to select print elements are each partially written at a corresponding print element, position along at least two adjacent scan lines so as to combine energy in a manner that forms a synthesized print element on the photoconductive surface at a position between the adjacent scan lines. | 11-20-2008 |
20090122350 | Radio Frequency Identification Printing Device - This disclosure relates to a system, apparatus and method for incorporating radio frequency identification (RFID) technology into a printing device that may provide an assortment of functional performance capabilities. This may include the ability to scan media information such as text and/or images along with RFID identifier information and process, copy and/or forward such text media and/or identifier information to a remote location. | 05-14-2009 |
20090166944 | Duplex Architecture For An Imaging Apparatus - An imaging apparatus including an image transfer device, a first motor, a redrive section and a duplexing section. The first motor is drivingly connected to the image transfer device. The reversible redrive section is downstream from the image transfer device, and the reversible redrive section includes a second motor. The duplexing section includes a third motor. The duplexing section is positioned to receive media from the redrive section. The first motor, the second motor and the third motor are each independently controlled. | 07-02-2009 |
20090196667 | Printing System for Printing Banner Media And Method Thereof - A printing system for duplex printing of a banner media is disclosed. The printing system includes a drive roll, a pair of nipping rolls abuttingly coupled to the drive roll forming a first nip and a second nip with the drive roll, a media path including a printing region and a duplex region, and a diverter disposed in the media path and coupled to the drive roll. A first side of the banner media is printed in the printing region and exited partially from the first nip. Further, the partially exited banner media is re-fed into the duplex region and transferred to the printing region to print the second side of the banner media and exited from the second nip. The duplex region is capable of receiving the banner media from the first nip and the printing region is capable of exiting the banner media from the second nip simultaneously. | 08-06-2009 |
20090324274 | Method And System For Selecting Total Job Time Print - A system and a method in which the engine dynamically decides which process speed to warm up to based on the number & size of pages currently submitted to the engine, and thus deliver the best job time dynamically. | 12-31-2009 |
20100165361 | Method for Reducing Consumables Usage Based on Job Size - A method implemented by a processor of a printer for reducing consumables usage based on job size includes entering different settings for an n-up printing mode in the printer based on job size such that a job size of one page will be printed 1-up, or on a full page, by the printer, a job size of two and three pages will be printed 2-up, or on a half page, by the printer, and a job size of four pages will printed 4-up, or on a quarter page, by the printer and/or entering a threshold setting for a duplex printing mode in the printer based on job size such that a job size below the threshold will be printed in a simplex mode whereas job size at or above the threshold will be printed in a duplex mode. The method also includes enabling user selection of n-up setting or threshold setting for jobs of predetermined size. | 07-01-2010 |
20110116817 | Methods and Apparatuses for Applying Respective EP Engine Settings to Different Zones within a Page of Media - Generally, an imaging device is capable of applying respective EP engine settings to different zones within a page of media. In an example embodiment, a method includes printing in first and second zones on a page of media using first and second EP engine settings that are respectively associated with the first and second zones. The imaging device prints in the first zone on the page of media based on a first EP engine setting that is associated with the first zone. The imaging device switches from the first zone on the page of media to the second zone on the page of media responsive to a size indicator. The imaging device prints in the second zone on the page of media based on a second EP engine setting that is associated with the second zone. | 05-19-2011 |
20110260834 | Tracking the Usage of Wear Components by an Embedded RFID System - An imaging apparatus having RFID tags associated with wearable components of a system to track the usage and wear levels of the wearable components. The RFID tags can be antennas formed from conductive material impregnated in the wear components such that the RFID tags are worn with the wearing of the wear components. The RFID tags may also be RFID chip tags having memory for storing information, a portion of which is updated in real time. The presence or absence of the impregnated antenna RFID tags or the updated information stored in the chip tags may be used to track usage and wear level of the wear components. | 10-27-2011 |
20120269529 | Zero Leading and Trailing Margin Printing Method and an Electrophotographic Imaging Apparatus for Performing Same - An electrophotographic imaging apparatus includes a feeding tray to feed a media sheet along a feed path in a process direction; a media sensor disposed on the feed path and triggered or changes state when a leading edge and a trailing edge of the media sheet arrives at the media sensor; an image carrying member adjacent to the media sensor and carrying a toner image thereon, and an transfer roll abuttingly coupled with the image carrying member to facilitate the transfer of the toner image from the image carrying member onto the media sheet. The electrophotographic imaging apparatus includes a controller for adjusting the setting of transfer roll voltage values based on the location of an image area on the media sheet. Further disclosed is a method for reproducing an original image on the media sheet using variable timing of transfer voltages. | 10-25-2012 |
20140092195 | Motor Control System and Method for a Laser Scanning Unit of an Imaging Apparatus - A scanning system for use in an imaging apparatus includes a mirror assembly having a rotating mirror with a plurality of facets, a motor operatively coupled to the rotating mirror and closed loop control circuitry coupled to the motor. The minor assembly generates a lock signal indicative of whether or not the motor is substantially at a target speed. A controller is communicatively coupled to the minor assembly for controlling rotation of the rotating mirror, the controller generating a reference signal received by the motor assembly indicating the target speed for the rotating minor. The reference signal is varied based at least in part upon an acceleration profile that accelerates the motor so that overshoot of the target speed is substantially reduced. | 04-03-2014 |
20140093263 | System and Method for Controlling Multiple Light Sources of a Laser Scanning System in an Imaging Apparatus - An imaging device having a printhead unit which includes a plurality of independently controllable light sources, each light source generating a light beam when activated; a photoconductive surface operable at a plurality of image transfer rates; a scanning device having one or more deflecting surfaces, the scanning device arranged to direct the light beams so as to sweep in at least one scan direction across a surface such that, for each sweep, scan lines written by the light beams are spaced from one another on the photoconductive surface in a process direction that is nominally orthogonal to the scan direction; and a controller configured to selectively activate any number of the light sources for use during a print operation to write image data along scan lines on the photoconductive surface, wherein a rotational velocity of the scanning device is selected and the number of the light sources activated based upon at least one selected operating parameter for the imaging device. | 04-03-2014 |
20140105618 | Fuser Assembly and Method for Controlling Fuser Operations Based Upon Fuser Component Attributes - A fuser assembly for an electrophotographic imaging device, the fuser assembly including an integrated circuit chip having memory which has stored therein attribute data. The memory provides the attribute data for use in controlling the fuser assembly during fusing operations throughout the life of the fuser assembly. The attribute data includes a table of values corresponding to fusing temperatures for the fuser assembly, the fusing temperatures decreasing throughout the life of the fuser assembly to account for aging or wear of at least one component of the fuser assembly. | 04-17-2014 |
20140105619 | Methods for Providing a Page Countdown for a Replaceable Unit of an Image Forming Device - A method for providing a page countdown for a replaceable unit of an image forming device according to one embodiment includes calculating a number of pages remaining until the replaceable unit will reach the end of its life. The calculated number of pages remaining until the replaceable unit will reach the end of life is displayed on a display screen. After the calculated number of pages remaining is displayed, the displayed number of pages remaining is decreased by one for each page printed, the number of pages remaining is recalculated and a discrepancy between the displayed number of pages remaining and the recalculated number of pages remaining is tracked. If the discrepancy exceeds a predetermined error threshold, the recalculated number of pages remaining is displayed and the displayed number of pages remaining continues to be decreased by one for each page printed from the displayed recalculated number of pages remaining. | 04-17-2014 |
20140105620 | Methods for Providing an Estimated Replacement Date for a Replaceable Unit of an Image Forming Device - A method for providing an indication of when a replaceable unit of an image forming device will require replacement according to one example embodiment includes determining an average usage of the replaceable unit per day. Whether the replaceable unit is near the end of its life is also determined. After determining that the replaceable unit is near the end of its life, a number of days remaining until the replaceable unit will require replacement is displayed on a display screen of at least one of the image forming device and a device in electronic communication with the image forming device based on the determined average usage of the replaceable unit per day. | 04-17-2014 |
20140105628 | Method and System for Controlling a Fuser Assembly - A method and apparatus for providing a relatively short period of time for a fuser assembly to be ready to perform a fusing operation. Included is a fusing assembly having a heat transfer member and a backup member positioned to engage the heat transfer member so as to define a fusing nip therewith; and a controller coupled to the fuser assembly, wherein during a period of time when the fuser assembly is not performing a fusing operation, the controller activates the heat transfer member while causing the backup member to rotate at one or more relatively slow speeds relative to a fusing speed of the fuser assembly. | 04-17-2014 |
20140169818 | Method and System for Controlling a Fuser Assembly Using Temperature Feedback - A method and apparatus for providing a relatively short period of time for a fuser assembly to be ready to perform a fusing operation. Included is a fusing assembly having a heat transfer member and a backup member positioned to engage the heat transfer member so as to define a fusing nip therewith; and a controller coupled to the fuser assembly, wherein during a period of time when the fuser assembly is not performing a fusing operation, the controller causes the backup member to rotate at one or more relatively slow speeds relative to a fusing speed of the fuser assembly while activating the heat transfer member. At least one of a beginning and an ending of the period of time being based upon an actual temperature in the fuser assembly. | 06-19-2014 |
20140212161 | Method and System for Controlling a Fuser Assembly - An imaging device includes a fuser assembly including a heat transfer member and a backup member positioned to engage the heat transfer member thereby defining a fusing nip therewith. A motor is coupled to the backup member for rotating the backup member. A controller coupled to the fuser assembly controls the motor using time-based commutation for a period of time to rotate the backup member at a slower speed relative to a speed for performing a toner fusing operation. In memory, at least one lookup table is stored having entries which, when sequentially accessed by the controller during the time-based commutation, are used to generate one or more drive signals for the motor to cause current flowing through windings of the motor to have a substantially sinusoidal waveform. | 07-31-2014 |
20140319755 | Methods for Feeding Media Sheets Having Increased Throughput - Methods for picking a following sheet of media before the prior sheet of media has been detected exiting a media input tray in an imaging apparatus to increase media throughput. The methods may further include processes for shifting an image area to a shingled sheet of media without having to stop the imaging process. | 10-30-2014 |